Xem th\u00eam: \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n<\/p>\n<\/div>\n
C\u00e2u 4 (1,0 \u0111i\u1ec3m<\/em>).<\/strong><\/p>\n Trong m\u1eb7t ph\u1eb3ng v\u1edbi h\u1ec7 t\u1ecda \u0111\u1ed9 Oxy, cho tam gi\u00e1c ABC vu\u00f4ng t\u1ea1i A(3;2) c\u00f3 t\u00e2m \u0111\u01b0\u1eddng tr\u00f2n ngo\u1ea1i ti\u1ebfp l\u00e0 I(2;-1) v\u00e0 \u0111i\u1ec3m B n\u1eb1m tr\u00ean \u0111\u01b0\u1eddng th\u1eb3ng d c\u00f3 ph\u01b0\u01a1ng tr\u00ecnh: x- y – 7 = 0. T\u00ecm t\u1ecda \u0111\u1ed9 \u0111\u1ec9nh B, C.<\/p>\n C\u00e2u 6 (1,0 \u0111i\u1ec3m<\/em>).<\/strong> Cho h\u00ecnh l\u0103ng tr\u1ee5 \u0111\u1ee9ng ABCD.A'B'C'D' c\u00f3 \u0111\u00e1y l\u00e0 h\u00ecnh thoi c\u1ea1nh a, g\u00f3c BAD = 120 \u0111\u1ed9 v\u00e0 AC' = a\u221a5. T\u00ednh th\u1ec3 t\u00edch kh\u1ed1i l\u0103ng tr\u1ee5 ABCD.A'B'C'D' v\u00e0 kho\u1ea3ng c\u00e1ch gi\u1eefa hai \u0111\u01b0\u1eddng th\u1eb3ng AB' v\u00e0 BD theo a.<\/p>\n <\/p>\n <\/p>\n <\/em><\/p>\n T\u1ea5t c\u1ea3 n\u1ed9i dung b\u00e0i vi\u1ebft. C\u00e1c em h\u00e3y xem th\u00eam v\u00e0 t\u1ea3i file chi ti\u1ebft t\u1ea1i \u0111\u00e2y:<\/strong>Download<\/p>\n","protected":false},"excerpt":{"rendered":" \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n l\u1ea7n 2 n\u0103m 2016 – THPT L\u00fd Th\u00e1i T\u1ed5, \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c thi ng\u00e0y 15\/1\/2016, c\u00f3 \u0111\u00e1p \u00e1n chi ti\u1ebft, c\u00e1c em theo d\u00f5i d\u01b0\u1edbi \u0111\u00e2y: Xem th\u00eam: \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n C\u00e2u 4 (1,0 \u0111i\u1ec3m). Trong m\u1eb7t ph\u1eb3ng v\u1edbi h\u1ec7 t\u1ecda \u0111\u1ed9 Oxy, […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[28],"tags":[],"yoast_head":"\n\u0110\u00e1p \u00e1n \u0111\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n l\u1ea7n 2 n\u0103m 2016 – THPT L\u00fd Th\u00e1i T\u1ed5<\/h2>\n